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Radiology · single question

Per ALARA principle in dental radiology, which is the most appropriate prescribing approach?

  1. Minimal radiation exposure required to achieve diagnostic information (bitewings/periapicals as indicated)
  2. Panoramic for all recall patients
  3. MRI as primary screening tool
  4. CBCT for all new patients
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Correct answer: A. Minimal radiation exposure required to achieve diagnostic information (bitewings/periapicals as indicated)

ALARA = As Low As Reasonably Achievable. Prescribe only radiographs that provide clinically necessary diagnostic information at the lowest exposure achieving adequate image quality. Bitewings/periapicals as indicated by clinical findings. CBCT only when 3D information changes treatment planning.

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